/* Main Application Styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

/* Header Styles */
.navbar-brand {
    font-weight: 700;
}

/* Card Styles */
.card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    border: none;
}

.card-header {
    background-color: var(--primary-color);
    color: white;
    border-radius: 10px 10px 0 0 !important;
    font-weight: 600;
}

.card-header {
    padding: .75rem 1.25rem;
    margin-bottom: 0;
    background-color: rgb(49 78 116 / 84%);
    border-bottom: 1px solid rgba(0, 0, 0, .125);
}

/* Button Styles */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

/* Dashboard Widgets */
.dashboard-widget {
    transition: all 0.3s ease;
}

.dashboard-widget:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Tree Visualization */
.tree-container {
    overflow-x: auto;
    padding: 20px 0;
}

.tree-node {
    display: inline-block;
    padding: 10px 15px;
    margin: 5px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    min-width: 120px;
}

.tree-node.current {
    background-color: var(--primary-color);
    color: white;
}

/* Form Styles */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

/* Table Styles */
.table th {
    background-color: var(--primary-color);
    color: white;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .dashboard-widget {
        margin-bottom: 15px;
    }
}

/* Membership Card Styles */
.membership-card {
    border: 1px solid #ddd;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    max-width: 350px;
    margin: 0 auto;
}

.membership-card .card-header {
    background-color: #007bff;
    color: white;
    padding: 15px;
    text-align: center;
}

.membership-card .card-body {
    padding: 20px;
    background-color: white;
}

.membership-card .member-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 15px;
    display: block;
    border: 3px solid #007bff;
}

.membership-card .member-details {
    text-align: center;
}

.membership-card .member-details h5 {
    margin-bottom: 5px;
}

.membership-card .member-details p {
    margin-bottom: 3px;
    font-size: 0.9rem;
}

.membership-card .card-footer {
    background-color: #f8f9fa;
    padding: 10px;
    text-align: center;
    font-size: 0.8rem;
}
/* Add to your CSS file */
.img-thumbnail {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
}

.upload-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.upload-preview-item {
    text-align: center;
}

.upload-preview-item img {
    max-height: 150px;
    margin-bottom: 5px;
}